#!/bin/bash -e

function run {
  "$@"
  RES=$?
  if [[ $RES -ne 0 ]]; then
    echo "[ERROR] $@ returned $RES" >&2
    exit 1
  fi
}

if [ -z ${TAG:-} ]; then
  echo "No TAG set - trying to detect"
  TAG=$(git describe --tags)
  echo "Is the TAG ${TAG} ok (YES|NO)?"
  read answ
  case "$answ" in
  YES)
    :
    ;;
  *)
    echo 'stopping here'
    exit 1
    ;;
  esac
fi

function create_hash {
  NAME=$1
  run md5sum ${NAME} >${NAME}.md5
  run sha1sum ${NAME} >${NAME}.sha1
  run sha256sum ${NAME} >${NAME}.sha256
  run sha512sum ${NAME} >${NAME}.sha512
}

function create_tar {
  ARGS=$1
  EXT=$2
  TAG=$3

  NAME=freerdp-${TAG}${EXT}
  run tar $ARGS ${NAME} freerdp-${TAG}
  create_hash ${NAME}
}

TMPDIR=$(mktemp -d -t release-${TAG}-XXXXXXXXXX)

run git archive --prefix=freerdp-${TAG}/ --format=tar.gz -o ${TMPDIR}/freerdp-${TAG}.tar.gz ${TAG}
run tar xzvf ${TMPDIR}/freerdp-${TAG}.tar.gz -C ${TMPDIR}
run echo ${TAG} >${TMPDIR}/freerdp-${TAG}/.source_version

pushd .
cd $TMPDIR
create_tar czf .tar.gz ${TAG}
create_tar cvjSf .tar.bz2 ${TAG}
create_tar cfJ .tar.xz ${TAG}

ZIPNAME=freerdp-${TAG}.zip
run zip -r ${ZIPNAME} freerdp-${TAG}
create_hash ${ZIPNAME}
popd

# Sign the release tarballs
for EXT in tar.gz tar.bz2 tar.xz zip; do
  run gpg --local-user 0xA49454A3FC909FD5 --sign --armor --output ${TMPDIR}/freerdp-${TAG}.${EXT}.asc --detach-sig ${TMPDIR}/freerdp-${TAG}.${EXT}
done

run mv ${TMPDIR}/freerdp-${TAG}.tar* .
run mv ${TMPDIR}/freerdp-${TAG}.zip* .
run rm -rf ${TMPDIR}

# Verify the release tarball signatures
for EXT in tar.gz tar.bz2 tar.xz zip; do
  run gpg --verify freerdp-${TAG}.${EXT}.asc
done

exit 0